EVALUATİON OF THE ANTİBACTERİAL POTENTİALS OF ESSENTİAL OİLS FROM LAVANDULA ANGUSTİFOLİA L. AND SALVİA OFFİCİNALİS L. CULTİVATED UNDER THE ECOLOGİCAL CONDİTİONS OF KIRŞEHİR AGAİNST CLİNİCALLY SİGNİFİCANT PATHOGENS

Yıl 2025, Cilt: 1 Sayı: 1, 11 - 17, 26.12.2025

Kübra Öztürk , Emine Bilginoğlu , Elif Sevim

https://izlik.org/JA88XG92EC

Öz

The potential side effects of traditional antimicrobial drugs and the
development of bacterial resistance pose a serious threat to public health.
This situation has made the search for natural and plant-based alternatives
increasingly important. Today, many aromatic and medicinal plants are
widely used by the public not only for nutritional purposes but also as
protective agents against infections. In the present study, the antimicrobial
effects of essential oils obtained from Lavandula angustifolia (lavender)
and Salvia officinalis (sage), cultivated under the ecological conditions of
Kırşehir, were evaluated. The antibacterial activities of the essential oils
were investigated against seven clinically significant bacterial strains using
the disk diffusion method, MIC (Minimum Inhibitory Concentration), and
MBC (Minimum Bactericidal Concentration) analyses. The results revealed
that both plants exhibited significant antimicrobial activity against both
Gram-positive and Gram-negative bacteria. L. angustifolia oil stood out
with broader inhibition zones and lower MIC values, particularly against L.
angustifolia essential oil showed higher efficacy, particularly forming large
inhibition zones against B. cereus (25 mm) and S. aureus (20 mm). The
MIC value was determined to be 0.39% for E. coli and E. faecalis,
indicating effectiveness even at low concentrations. S. officinalis essential
oil exhibited its lowest MIC value (0.39%) against the S. aureus strain. The
findings suggest that the essential oils obtained from these plants cultivated
in the Kırşehir climate could be considered as potential natural
antimicrobial agents in the fight against resistant bacteria.

Anahtar Kelimeler

Antimikrobiyal aktivite , Lavandula angustifolia ve Salvia officinalis , Uçucu yağ

Kaynakça

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